Finding the Fourth Proportional to 109,585.80, 164,378.70 and 62,929.80
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Solution
The fourth proportional to 109,585.80, 164,378.70 and 62,929.80 is: 94,394.70
Step by Step Solution
- Step 1: Write the proportion equation
109,585.80 : 164,378.70 = 62,929.80 : x - Step 2: Convert to fraction form
109,585.80/164,378.70 = 62,929.80/x - Step 3: Cross multiply
109,585.80x = 164,378.70 × 62,929.80 - Step 4: Simplify right side
109,585.80x = 10,344,318,715.26 - Step 5: Solve for x
x = 10,344,318,715.26/109,585.80 - Step 6: Final answer
x = 94,394.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.